OBJECTIVE: Moderate to severe aortic regurgitation after transcatheter aortic valve replacement is associated with worse outcomes. The impact of mild aortic regurgitation has been less clear, possibly because of the broad categories that have been used in clinical trials, but holds increasing importance in the study of next-generation devices in low- and intermediate-risk cohorts. A more granular scheme, which is common in clinical practice and proposed for future trials, may add prognostic value. METHODS: We evaluated all patients undergoing transfemoral transcatheter aortic valve replacement at the Cleveland Clinic from 2006 to 2012. The degree of aortic regurgitation after transcatheter aortic valve replacement was reported from the echocardiography database based on a clinical, transthoracic echocardiogram performed within 30 days of the procedure. Aortic regurgitation was finely discriminated on the basis of a multiwindow, multiparametric, integrative approach using our usual clinical scale: none, trivial to 1+, 1+, 1 to 2+, 2+, 2 to 3+, 3+, 3 to 4+, or 4+. RESULTS: There were 237 patients included in the analysis. By controlling for age, gender, Society of Thoracic Surgeons score, baseline ejection fraction, and aortic regurgitation before transcatheter aortic valve replacement, there was a significant increase in mortality for each half grade of aortic regurgitation compared with the complete absence of aortic regurgitation after transcatheter aortic valve replacement. The unit hazard ratio for each 1+ increase in aortic regurgitation after transcatheter aortic valve replacement was 2.26 (95% confidence interval, 1.48-3.43; P < .001) considering aortic regurgitation as a continuous variable. Other clinical variables did not significantly affect mortality. CONCLUSIONS: Even mild aortic regurgitation after transcatheter aortic valve replacement is associated with worse long-term mortality. There may be prognostic value in reporting milder categories of aortic regurgitation with more granular gradations.
OBJECTIVE: Moderate to severe aortic regurgitation after transcatheter aortic valve replacement is associated with worse outcomes. The impact of mild aortic regurgitation has been less clear, possibly because of the broad categories that have been used in clinical trials, but holds increasing importance in the study of next-generation devices in low- and intermediate-risk cohorts. A more granular scheme, which is common in clinical practice and proposed for future trials, may add prognostic value. METHODS: We evaluated all patients undergoing transfemoral transcatheter aortic valve replacement at the Cleveland Clinic from 2006 to 2012. The degree of aortic regurgitation after transcatheter aortic valve replacement was reported from the echocardiography database based on a clinical, transthoracic echocardiogram performed within 30 days of the procedure. Aortic regurgitation was finely discriminated on the basis of a multiwindow, multiparametric, integrative approach using our usual clinical scale: none, trivial to 1+, 1+, 1 to 2+, 2+, 2 to 3+, 3+, 3 to 4+, or 4+. RESULTS: There were 237 patients included in the analysis. By controlling for age, gender, Society of Thoracic Surgeons score, baseline ejection fraction, and aortic regurgitation before transcatheter aortic valve replacement, there was a significant increase in mortality for each half grade of aortic regurgitation compared with the complete absence of aortic regurgitation after transcatheter aortic valve replacement. The unit hazard ratio for each 1+ increase in aortic regurgitation after transcatheter aortic valve replacement was 2.26 (95% confidence interval, 1.48-3.43; P < .001) considering aortic regurgitation as a continuous variable. Other clinical variables did not significantly affect mortality. CONCLUSIONS: Even mild aortic regurgitation after transcatheter aortic valve replacement is associated with worse long-term mortality. There may be prognostic value in reporting milder categories of aortic regurgitation with more granular gradations.
Authors: Kimi Sato; Arnav Kumar; Brandon M Jones; Stephanie L Mick; Amar Krishnaswamy; Richard A Grimm; Milind Y Desai; Brian P Griffin; L Leonardo Rodriguez; Samir R Kapadia; Nancy A Obuchowski; Zoran B Popović Journal: J Am Heart Assoc Date: 2017-07-11 Impact factor: 5.501
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Authors: Won-Keun Kim; Holger Thiele; Axel Linke; Thomas Kuntze; Stephan Fichtlscherer; John Webb; Michael W A Chu; Matti Adam; Gerhard Schymik; Tobias Geisler; Rajesh Kharbanda; Thomas Christen; Dominic Allocco Journal: J Interv Cardiol Date: 2022-06-25 Impact factor: 1.776
Authors: Mirosław Gozdek; Jakub Ratajczak; Adam Arndt; Kamil Zieliński; Michał Pasierski; Matteo Matteucci; Dario Fina; Federica Jiritano; Paolo Meani; Giuseppe Maria Raffa; Pietro Giorgio Malvindi; Michele Pilato; Domenico Paparella; Artur Słomka; Uri Landes; Ran Kornowski; Jacek Kubica; Roberto Lorusso; Piotr Suwalski; Mariusz Kowalewski Journal: J Thorac Dis Date: 2020-03 Impact factor: 3.005